CN108708309A - A kind of the rectangular channel structure and its installation method of precast assembly - Google Patents
A kind of the rectangular channel structure and its installation method of precast assembly Download PDFInfo
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- CN108708309A CN108708309A CN201810751624.5A CN201810751624A CN108708309A CN 108708309 A CN108708309 A CN 108708309A CN 201810751624 A CN201810751624 A CN 201810751624A CN 108708309 A CN108708309 A CN 108708309A
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- 238000009434 installation Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 116
- 239000010959 steel Substances 0.000 claims abstract description 116
- 238000003466 welding Methods 0.000 claims abstract description 38
- 239000004567 concrete Substances 0.000 claims abstract description 31
- 238000005266 casting Methods 0.000 claims abstract description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 4
- 229920005597 polymer membrane Polymers 0.000 claims description 4
- 239000003673 groundwater Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 239000003795 chemical substances by application Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 230000015271 coagulation Effects 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 206010054949 Metaplasia Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000015689 metaplastic ossification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F5/00—Draining the sub-base, i.e. subgrade or ground-work, e.g. embankment of roads or of the ballastway of railways or draining-off road surface or ballastway drainage by trenches, culverts, or conduits or other specially adapted means
- E01F5/005—Culverts ; Head-structures for culverts, or for drainage-conduit outlets in slopes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Architecture (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a kind of rectangular channel structures of precast assembly, including multiple rectangular elements, rectangular elements include prefabricated panel component, prefabricated top plate member and prefabricated side wall component, prefabricated panel component, the longitudinal side of prefabricated side wall component and prefabricated top plate member is equipped with splicing step, the step surface for splicing step is equipped with pre-embedded steel slab, the splicing step of adjacent rectangle component constitutes groove after splicing, the pre-embedded steel slab of adjacent rectangle component is attached by welding steel, the both sides of welding steel are respectively welded in the surface of adjacent pre-embedded steel slab, concrete has been poured in groove.The invention also discloses the method for installation rectangular channel structure, including the assembled prefabricated panel component of lifting, prefabricated side wall component, prefabricated top plate member, casting concrete, the lifting for carrying out next segment successively is assembled.The present invention have many advantages, such as it is simple in structure, be easily installed, speed of application is fast, influence small, stress to periphery and good water-proof effect, intersegmental consistency and stability are high.
Description
Technical field
The invention belongs to traffic tunnel and Culvert engineering design and construction technical field more particularly to a kind of squares of precast assembly
Shape channel design and its installation method.
Background technology
For traffic tunnel and Culvert engineering, the rectangular configuration accounting that open cut is secretly buried is larger.Currently, it is domestic building or
Rectangular configuration majority in the traffic tunnel and Culvert engineering that have built up uses cast-type, and traditional cast-in-place mode presence is applied
The work period is longer, drawbacks, the precast splice type structures such as big, labor intensive is big are influenced on Around environment passes through factory's metaplasia
Production, prefabricated construction, are increasingly widely adopted.
Reinforced concrete rectangular structure section size in traffic tunnel and Culvert engineering is larger, and linear meter(lin.m.) weight is larger, entirely
Section, which integrally carries out precast assembly, there is a problem of transporting and lifting difficulty.How rectangular configuration is secretly buried according to structure to such open cut
Part carries out piecemeal assembly, can keep the stress globality of former integral cast-in-situ and good waterproof effect, be such bright
Digging secretly buries rectangular configuration precast assembly and is badly in need of the problem researched and solved at present.
Invention content
The technical problem to be solved in the present invention is to overcome the shortcomings of the prior art, provide it is a kind of it is simple in structure, be convenient for
Installation, speed of application is fast, rectangular channel structure and its installation of the precast assembly of small, stress and good water-proof effect are influenced on periphery
Method.
In order to solve the above technical problems, technical solution proposed by the present invention is：
A kind of rectangular channel structure of precast assembly, including multiple rectangle structures that can be spliced to form rectangular channel structure successively
Part, the rectangular elements include prefabricated panel component, prefabricated top plate member and be set to the prefabricated panel component and prefabricated top plate
The prefabricated side wall component of the transverse ends of component, the prefabricated panel component, prefabricated side wall component and prefabricated top plate member it is vertical
It is equipped with splicing step to side, the step surface of the splicing step is equipped with pre-embedded steel slab, the spelling of the adjacent rectangular elements
It connects step and constitutes groove after splicing, welding steel, the welding steel are equipped between the pre-embedded steel slab of the adjacent rectangular elements
The welding steel that the both sides of plate are respectively welded between the surface of adjacent pre-embedded steel slab, the adjacent rectangular elements is welded to each other group
At steel plate ring, concrete has been poured in the groove.
The rectangular channel structure of above-mentioned precast assembly, it is preferred that the transverse ends of the prefabricated panel component are equipped with
The transverse ends of bottom slab stress reinforcing bar, the prefabricated panel component are also reserved with bottom plate step, and the prefabricated side wall component is vertical
The both ends in direction are equipped with side wall steel bar stress, and the transverse ends of the prefabricated top plate member are equipped with top plate steel bar stress, described
The transverse ends of prefabricated top plate member are also reserved with top plate step, the side wall steel bar stress difference at the prefabricated side wall component both ends
Be staggered with bottom slab stress reinforcing bar and top plate steel bar stress, the prefabricated side wall component respectively with prefabricated panel component and prefabricated
The gap of top plate member joint has poured concrete.
The rectangular channel structure of above-mentioned precast assembly, it is preferred that the both ends of the prefabricated side wall component vertical direction are pre-
It is embedded with shaped steel bearing.
The rectangular channel structure of above-mentioned precast assembly, it is preferred that the shaped steel bearing is set to the prefabricated side wall component
Four corner locations of end face.
The rectangular channel structure of above-mentioned precast assembly, it is preferred that the prefabricated panel component is set on ground, described pre-
Concrete cushion is equipped between base plate member and ground processed.
The rectangular channel structure of above-mentioned precast assembly, it is preferred that the prefabricated panel component, prefabricated side wall component and pre-
Being equipped on the outside of top plate member processed prevents the waterproof layer of groundwater seepage.
The rectangular channel structure of above-mentioned precast assembly, it is preferred that the waterproof layer is self-adhesion polymer membranes.
A method of install above-mentioned precast assembly rectangular channel structure, include the following steps,
S2, lifting simultaneously splice prefabricated panel component, and the splicing step of contiguous prefabricated base plate member is made to be spliced to form groove, will
It is welded respectively with the pre-embedded steel slab on contiguous prefabricated base plate member the both sides of welding steel；
S3, lifting simultaneously splice prefabricated side wall component, and the splicing step of contiguous prefabricated side wall component is made to be spliced to form groove, will
The both sides of welding steel are welded with the pre-embedded steel slab on contiguous prefabricated side wall component respectively, by the welding steel on prefabricated panel component
The both ends of plate and the end of the welding steel on prefabricated side wall component are welded to form steel plate frame；
S4, by the gap at prefabricated panel component and prefabricated side wall component connector and recessed between contiguous prefabricated base plate member
Slot is poured with concrete；
S5, lifting simultaneously splice prefabricated top plate member, and the gap at prefabricated top plate member and prefabricated side wall component connector is used
Concrete is poured；
S6, so that the splicing step of contiguous prefabricated top plate member is spliced to form groove, by the both sides of welding steel respectively with phase
Pre-embedded steel slab welding in adjacent prefabricated top plate member, by the both ends of the welding steel in prefabricated top plate member and prefabricated side wall component
On the end of welding steel be welded to form steel plate ring, the seam on steel plate ring being made of welding steel is all by weld joint close
It closes, entire steel plate ring is to be closed sealing；
S7, by the groove between contiguous prefabricated top plate member and the groove concrete between contiguous prefabricated side wall component into
Row pours；
S8, the prefabricated panel component for carrying out next segment successively, prefabricated side wall component and prefabricated top plate member lifting with
Splicing, completes the installation of all open cut rectangular channel structures.
Above-mentioned installation method, it is preferred that further include step S1 before step S2,
S1, leveling ground, the casting concrete bed course on ground are laid with waterproof layer in concrete cushion and foundation pit side-wall；
It flattens ground and casting concrete bed course is convenient for assembled prefabricated panel component, improve the splicing accuracy of prefabricated panel component；
Further include the steps that being laid with waterproof layer in the outer surface of prefabricated top plate member between step S7 and step S8, in coagulation
The outer surface of soil padding, foundation pit side-wall and prefabricated top plate member, which is respectively provided with waterproof layer, can improve integrally-built water proofing property
Energy.
Above-mentioned installation method, it is preferred that in step S3 when lifting and splicing prefabricated side wall component, use shaped steel bearing
Prefabricated side wall component is positioned and supported, while being supported on side using shaped steel or steel pipe or wood and carrying out skewed horizontal load, institute
It states when being lifted in step S5 and splicing prefabricated top plate member, top plate step is positioned and supported using shaped steel bearing, lower part
Shaped steel bearing can play positioning and supporting role to prefabricated side wall component, prevent prefabricated side wall component from toppling over, top
Shaped steel bearing plays the positioning to prefabricated top plate member and supporting role by the step surface of roof supporting step, makes prefabricated top plate
Component, which erects, to be stablized, and is convenient for constructing, is improved construction precision and construction efficiency.
Compared with the prior art, the advantages of the present invention are as follows：
1. the rectangular channel structure of the precast assembly of the present invention, including multiple rectangular elements that can splice successively, rectangle structure
Part includes again prefabricated panel component, prefabricated side wall component and prefabricated top plate member, and entire rectangular channel structure is by multiple sectional types
Component forms, and solves the problems, such as to transport and lift difficulty in the prior art, convenient for prefabricated, transport and installation.
2. since the longitudinal side of prefabricated panel component, prefabricated side wall component and prefabricated top plate member is provided with splicing station
Rank is additionally provided with pre-embedded steel slab on step surface, and after rectangular elements are spliced, adjacent two splicing steps constitute grooves, weld steel
Plate is welded on two adjacent pre-embedded steel slabs, and composition steel plate ring, weldering are welded to each other positioned at identical intersegmental welding steel
Seam between adjacent segment, the steel plate ring that entire welding steel composition is closed, to solve entirety can be connected by connecing steel plate
The seam leakage problem of structure, in addition welding steel can also play the role of connect adjacent segment rectangular elements, be conducive to
Increase the stability between adjacent segment, can effectively reduce the differential settlement between adjacent segment.
3. method using the present invention is easily installed, speed of application is fast, small on periphery influence, and the rectangle that installation obtains is logical
Road structure stress and good water-proof effect, the intersegmental consistency and stability of adjacent rectangle component are high.
Description of the drawings
Fig. 1 is the cross-sectional view of the rectangular channel structure of the present embodiment precast assembly.
Fig. 2 is the structural schematic diagram of the base plate plane of the rectangular channel structure of the present embodiment precast assembly.
Fig. 3 is the structural schematic diagram of the top plate plant tilting of the rectangular channel structure of the present embodiment precast assembly.
Fig. 4 is the longitudinal spliced sectional view of the prefabricated panel component of the rectangular channel structure of the present embodiment precast assembly.
Fig. 5 is the longitudinal spliced sectional view of the prefabricated side wall component of the rectangular channel structure of the present embodiment precast assembly.
Fig. 6 is the longitudinal spliced sectional view of the prefabricated top plate member of the rectangular channel structure of the present embodiment precast assembly.
Fig. 7 is the transverse cross of the prefabricated panel component of the rectangular channel structure of the present embodiment precast assembly.
Fig. 8 is the transverse cross of the prefabricated side wall component of the rectangular channel structure of the present embodiment precast assembly.
Fig. 9 is the transverse cross of the prefabricated top plate member of the rectangular channel structure of the present embodiment precast assembly.
Figure 10 is the partial enlarged view of A in Fig. 1.
Figure 11 is the partial enlarged view of B in Fig. 1.
Marginal data：
1, rectangular elements；11, prefabricated panel component；111, bottom slab stress reinforcing bar；112, bottom plate step；12, prefabricated side wall
Component；121, side wall steel bar stress；122, shaped steel bearing；13, prefabricated top plate member；131, top plate steel bar stress；132, top plate
Step；2, splice step；3, pre-embedded steel slab；4, groove；5, welding steel；6, concrete；7, concrete cushion；8, waterproof layer.
Specific implementation mode
To facilitate the understanding of the present invention, the present invention is done below in conjunction with Figure of description and preferred embodiment more complete
Face meticulously describes, but protection scope of the present invention is not limited to following specific examples.
As shown in Figure 1 to 11, the rectangular channel structure of the precast assembly of the present embodiment, including multiple can splice structure successively
The rectangular elements 1 of rectangular channel design, rectangular elements 1 include prefabricated panel component 11, prefabricated top plate member 13 and are set to pre-
The prefabricated side wall component 12 of the transverse ends of base plate member 11 processed and prefabricated top plate member 13, prefabricated panel component 11, prefabricated side
The longitudinal side of wall member 12 and prefabricated top plate member 13 is equipped with splicing step 2, and the step surface of splicing step 2 is equipped with pre-buried
The splicing step 2 of steel plate 3, adjacent rectangle component 1 constitutes groove 4 after splicing, and the pre-embedded steel slab 3 of adjacent rectangle component 1 passes through
Welding steel 5 is attached, and the both sides of welding steel 5 are respectively welded in the surface of adjacent pre-embedded steel slab 3, adjacent rectangle component 1
Between welding steel 5 be welded to each other composition steel plate ring, poured concrete 6 in groove 4.The present embodiment is by rectangular channel knot
Bottom plate, side wall and the top plate of structure are respectively classified into multiple prefabricated components, then these prefabricated components are carried out scene positioning assembly, finally
By pouring the post-cast strip concrete of assembled interface, each prefabricated components are connected into complete structure, to ensure that structure by
The reasonability of power and the reliability of waterproof.
In the present embodiment, the transverse ends of prefabricated panel component 11 are equipped with bottom slab stress reinforcing bar 111, prefabricated panel component
11 transverse ends are also reserved with bottom plate step 112, and the both ends of prefabricated 12 vertical direction of side wall component are equipped with side wall steel bar stress
121, the transverse ends of prefabricated top plate member 13 are equipped with top plate steel bar stress 131, and the transverse ends of prefabricated top plate member 13 are also
Be reserved with top plate step 132, the side wall steel bar stress 121 at prefabricated 12 both ends of side wall component respectively with bottom slab stress reinforcing bar 111 and
Top plate steel bar stress 131 is staggered, and prefabricated side wall component 12 connects with prefabricated panel component 11 and prefabricated top plate member 13 respectively
Gap at head has poured concrete 6.Specifically, top plate steel bar stress 131 includes lateral stressed reinforcing bar and longitudinal stress steel
Muscle.Bottom plate step 112 can facilitate the joint of prefabricated side wall component 12 and prefabricated panel component 11 to carry out concreting, top
132 one side of pallet rank, which is conducive to support prefabricated top plate member 13, to be positioned, and prefabricated 12 He of side wall component on the other hand can be facilitated
The joint of prefabricated top plate member 13 carries out concreting, and the corner location of total is used side wall steel bar stress 121
The form being staggered with bottom slab stress reinforcing bar 111 or top plate steel bar stress 131, and casting concrete is attached, and makes rectangle
Component 1 forms overall structure, then is connected with the rectangular elements 1 of adjacent segment, is conducive to structure stress, improves overall structure
Stability.
In the present embodiment, the both ends of prefabricated 12 vertical direction of side wall component are embedded with shaped steel bearing 122.It is lifting and is splicing
When prefabricated side wall component 12 and prefabricated top plate member 13, the shaped steel bearing 122 of lower end is conducive to prefabricated side wall component 12 and erects surely
Fixed, the shaped steel bearing 122 of upper end can play the support positioning action to prefabricated top plate member 13, assembled convenient for structure.
In the present embodiment, shaped steel bearing 122 is set to four corner locations of prefabricated 12 end face of side wall component.In four corners
Convenient for keeping balancing, force structure is also more stable for position stress support.
In the present embodiment, prefabricated panel component 11 is set on ground, and coagulation is equipped between prefabricated panel component 11 and ground
Soil padding 7.Setting concrete cushion 7 is conducive to the horizontal accurate splicing of 11 holding of prefabricated panel component, avoids because of ground injustice
It adversely affects.
In the present embodiment, the outside of prefabricated panel component 11, prefabricated side wall component 12 and prefabricated top plate member 13 is equipped with
Prevent the waterproof layer 8 of groundwater seepage.Preferably, waterproof layer 8 is self-adhesion polymer membranes.It is set in integrally-built outside
The water resistance of rectangular channel structure entirety can further be promoted by setting waterproof layer 8.
A method of install above-mentioned precast assembly rectangular channel structure, include the following steps,
S1, leveling ground, the casting concrete bed course 7 on ground, in smooth, clean, dry foundation pit side-wall and coagulation
7 upper berth of soil padding is set up defences water layer 8, specifically, waterproof layer 8 is self-adhesion polymer membranes；
S2, lifting simultaneously splice prefabricated panel component 11, so that the splicing step 2 of contiguous prefabricated base plate member 11 is spliced to form recessed
Slot 4 welds the both sides of welding steel 5, specifically, can be continuous with the pre-embedded steel slab 3 on contiguous prefabricated base plate member 11 respectively
5 section of lifting or more piece prefabricated panel component 11；
S3, the hoisting prefabricated side wall component 12 of transverse ends in prefabricated panel component 11, using shaped steel bearing 122 to prefabricated
Side wall component 12 is positioned and is supported, while being supported on inclined-plane using shaped steel or steel pipe or wood and being carried out skewed horizontal load, is prevented pre-
Side wall component 12 processed is toppled over, and prefabricated side wall component 12 is then spliced, and the splicing step 2 of contiguous prefabricated side wall component 12 is made to splice structure
At groove 4, the both sides of welding steel 5 are welded with the pre-embedded steel slab 3 on contiguous prefabricated side wall component 12 respectively, by prefabricated panel
The both ends of welding steel 5 on component 11 and the end of the welding steel 5 on prefabricated side wall component 12 are welded to form steel plate frame；
S4, by the gap of prefabricated panel component 11 and prefabricated 12 joint of side wall component and contiguous prefabricated base plate member 11 it
Between groove 4 poured with the concrete with micro-expanding agent and early strength agent；
S5, wait for that prefabricated panel component 11 reaches design strength with the concrete that 12 joint gap of prefabricated side wall component pours
Afterwards, the hoisting prefabricated top plate member 13 between the prefabricated side wall component 12 of both sides, makes the top of 13 transverse ends of prefabricated top plate member
Pallet rank 132 erects on the shaped steel bearing 122 of both sides, by the sky of prefabricated top plate member 13 and prefabricated 12 joint of side wall component
Gap is poured with the concrete with micro-expanding agent and early strength agent；
S6, so that the splicing step 2 of contiguous prefabricated top plate member 13 is spliced to form groove 4, the both sides of welding steel 5 are distinguished
It is welded with the pre-embedded steel slab 3 in contiguous prefabricated top plate member 13, by the both ends of the welding steel 5 in prefabricated top plate member 13 and in advance
The end of welding steel 5 on side wall component 12 processed is welded to form steel plate ring；
S7, the groove 4 between contiguous prefabricated top plate member 13 and the groove 4 between contiguous prefabricated side wall component 12 are used into band
The concrete 6 of micro-expanding agent and early strength agent is poured；
S8, it is laid with waterproof layer 8 in the outer surface of prefabricated top plate member 13, then carries out the prefabricated panel of next segment successively
All open cut rectangular channel structures are completed in the lifting and splicing of component 11, prefabricated side wall component 12 and prefabricated top plate member 13
Installation.
Although the present invention has been disclosed as a preferred embodiment, however, it is not intended to limit the invention.It is any to be familiar with ability
The technical staff in domain, without deviating from the scope of the technical scheme of the present invention, all using the technology contents pair of the disclosure above
Technical solution of the present invention makes many possible changes and modifications, or is revised as the equivalent embodiment of equivalent variations.Therefore, every
Without departing from the content of technical solution of the present invention, according to the present invention technical spirit any simple modification made to the above embodiment,
Equivalent variations and modification, all shall fall within the protection scope of the technical scheme of the invention.
Claims (10)
1. a kind of rectangular channel structure of precast assembly, it is characterised in that：It can be spliced to form rectangular channel knot successively including multiple
The rectangular elements (1) of structure, the rectangular elements (1) include prefabricated panel component (11), prefabricated top plate member (13) and be set to institute
State the prefabricated side wall component (12) of the transverse ends of prefabricated panel component (11) and prefabricated top plate member (13), the prefabricated panel
The longitudinal side of component (11), prefabricated side wall component (12) and prefabricated top plate member (13) is equipped with splicing step (2), the spelling
The step surface for connecing step (2) is equipped with pre-embedded steel slab (3), splicing step (2) structure after splicing of the adjacent rectangular elements (1)
At groove (4), welding steel (5), the welding steel (5) are equipped between the pre-embedded steel slab (3) of the adjacent rectangular elements (1)
Both sides welding steel (5) phase between the surface of adjacent pre-embedded steel slab (3), the adjacent rectangular elements (1) is respectively welded
It is mutually welded to form steel plate ring, concrete (6) has been poured in the groove (4).
2. the rectangular channel structure of precast assembly according to claim 1, it is characterised in that：The prefabricated panel component
(11) transverse ends are equipped with bottom slab stress reinforcing bar (111), and the transverse ends of the prefabricated panel component (11) are also reserved with
The both ends of bottom plate step (112), prefabricated side wall component (12) vertical direction are equipped with side wall steel bar stress (121), described pre-
The transverse ends of top plate member (13) processed are equipped with top plate steel bar stress (131), the transverse direction two of the prefabricated top plate member (13)
End is also reserved with top plate step (132), the side wall steel bar stress (121) at prefabricated side wall component (12) both ends respectively with bottom plate
Steel bar stress (111) and top plate steel bar stress (131) are staggered, the prefabricated side wall component (12) respectively with prefabricated panel structure
The gap of part (11) and prefabricated top plate member (13) joint has poured concrete (6).
3. the rectangular channel structure of precast assembly according to claim 2, it is characterised in that：The prefabricated side wall component
(12) both ends of vertical direction are embedded with shaped steel bearing (122).
4. the rectangular channel structure of precast assembly according to claim 3, it is characterised in that：The shaped steel bearing (122)
Four corner locations set on prefabricated side wall component (12) end face.
5. the rectangular channel structure of precast assembly according to any one of claims 1 to 4, it is characterised in that：It is described prefabricated
Base plate member (11) is set on ground, and the prefabricated panel component (11) is equipped with concrete cushion (7) between ground.
6. the rectangular channel structure of precast assembly according to any one of claims 1 to 4, it is characterised in that：It is described prefabricated
Being equipped on the outside of base plate member (11), prefabricated side wall component (12) and prefabricated top plate member (13) prevents the anti-of groundwater seepage
Water layer (8).
7. the rectangular channel structure of precast assembly according to claim 6, it is characterised in that：The waterproof layer (8) is certainly
Viscous polymer membranes.
8. a kind of method of the rectangular channel structure of installation precast assembly as described in any one of claim 1 to 7, feature exist
In：Include the following steps,
S2, lifting simultaneously splice prefabricated panel component (11), and the splicing step (2) of contiguous prefabricated base plate member (11) is made to be spliced to form
Groove (4) welds the both sides of welding steel (5) with the pre-embedded steel slab (3) on contiguous prefabricated base plate member (11) respectively；
S3, lifting simultaneously splice prefabricated side wall component (12), and the splicing step (2) of contiguous prefabricated side wall component (12) is made to be spliced to form
Groove (4) welds the both sides of welding steel (5) with the pre-embedded steel slab (3) on contiguous prefabricated side wall component (12) respectively, will be pre-
It welds the end of welding steel (5) on the both ends and prefabricated side wall component (12) of welding steel (5) on base plate member (11) processed
Connect composition steel plate frame；
S4, gap and contiguous prefabricated base plate member (11) by prefabricated panel component (11) and prefabricated side wall component (12) joint
Between groove (4) poured with concrete (6)；
S5, lifting simultaneously splice prefabricated top plate member (13), by prefabricated top plate member (13) and prefabricated side wall component (12) joint
Gap poured with concrete (6)；
S6, the splicing step (2) of contiguous prefabricated top plate member (13) is made to be spliced to form groove (4), by the both sides of welding steel (5)
It is welded respectively with the pre-embedded steel slab (3) in contiguous prefabricated top plate member (13), by the welding steel in prefabricated top plate member (13)
(5) end of the welding steel (5) on both ends and prefabricated side wall component (12) is welded to form steel plate ring；
S7, by the groove (4) between contiguous prefabricated top plate member (13) and the groove (4) between contiguous prefabricated side wall component (12)
It is poured with concrete (6)；
S8, the prefabricated panel component (11) for carrying out next segment successively, prefabricated side wall component (12) and prefabricated top plate member (13)
Lifting and splicing, complete the installation of all open cut rectangular channel structures.
9. installation method according to claim 8, it is characterised in that：Further include step S1 before the step S2,
S1, leveling ground, casting concrete bed course (7) on ground are laid with waterproof layer in concrete cushion (7) and foundation pit side-wall
(8)；
Further include being laid with the step of waterproof layer (8) in the outer surface of prefabricated top plate member (13) between the step S7 and step S8
Suddenly.
10. installation method according to claim 8 or claim 9, it is characterised in that：In the step S3 lift and splice it is prefabricated
When side wall component (12), prefabricated side wall component (12) is positioned and supported using shaped steel bearing (122), in the step S5
When lifting and splicing prefabricated top plate member (13), top plate step (132) is positioned and supported using shaped steel bearing (122).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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